Báo cáo khoa học: "Extracting and Classifying Urdu Multiword Expressions" pot

... evaluated against a hand-annotated gold standard, as described in the following section. 4 Evaluation 4.1 Gold Standard Our gold standard comprises the 1300 highest ranked Urdu multiword candidates extracted ... classes are evaluated against a hand-annotated gold standard and achieve an f-score of 0.5 and 0.746 for locations and persons, respectively. A target application is the Ur...

Ngày tải lên: 23/03/2014, 16:20

... was collected for episodic and habitual uses of the verb. Summary statis- tics for 483 verb lemmas and their typical habit and episode durations has been com- piled and made available. This automati- cally ... and (2) were used to pro- vide information about how long a work event can last: (1) Had work for an hour and 30 mins now going to disneyland with my cousins :) (2) I pl...

Ngày tải lên: 16/03/2014, 20:20

... derivative spectrum and each peak can be assigned according to its wavenumber. For instance, in water a-helices and random coils absorb between 1660 and 1648 cm )1 , intramolecular b-sheets between 1640 and ... detail, their structure and aggregation process monitored and controlled. Having structural information in hand would enable these methods to be applied in an informed fash...

Ngày tải lên: 06/03/2014, 00:20

... category name itself, and then expanding it with all left- hand sides of lexical reference rules whose right- hand side is the category name. For example, the category “Cars” is expanded by rules such ... derivations and synonyms. Each ob- tained term is then expanded by its hyponyms, or by its meronyms if it has no hyponyms. Finally, the results are further expanded by their deriva- tion...

Ngày tải lên: 08/03/2014, 00:20

... collagen and fibrosis levels [26]. The potential importance of miR- 133 has been underlined by reports that miR-133-a1 and miR-133-a2 knockout mice develop severe fibrosis and heart failure [27] and ... (miR-29a, miR-29b and miR-29c) in the border zone of murine and human hearts during myocardial infarction [25]. This study also showed down-regulation of miR-149 and increased expr...

Ngày tải lên: 15/03/2014, 11:20

... Ravichandran and Hovy (2004) learned syntactic patterns for identifying hypernym relations and combined these with clusters built from co-occurrence information. Recently, Snow, Jurafsky and Ng ... w) for each candidate hypernym h for word w. It is the sum of the normalized evidence for the hypernymy relation between h and w, and the evidence for sib- ling relations between w and...

Ngày tải lên: 17/03/2014, 04:20

... 2007), pages 472–479, Prague. Andrew McCallum, Xuerui Wang, and Andr ´ es Corrada-Emmanual. 2007. Topic and role discovery in social networks with experiments on enron and academic email. Journal ... “space becomes charged and re- sponsive to movements of time, plot, and history” (Bakhtin, 1981, 84). In Bakhtin’s analysis, dif- ferent spaces have different social and emotional pot...

Ngày tải lên: 23/03/2014, 16:20

... section 3, we propose and describe the criteria for selecting MWEs and introduce a number of classes of multiword expressions. In section 4, we outline the format and contents of the JDMWE, ... 104,000 dictionary entries and covers potentially at least 750,000 expressions. The most important features of the JDMWE are: 1. A large notational, syntactic, and semantic diversity...

Ngày tải lên: 20/02/2014, 04:20

... keyword types and sentence types. Mining comparative entities and predicates (Task 2): Our basic idea for the second task is selecting candidates first and finding answers from the candidates ... candidate for SE/OE, and each of adjective (or verb) words as a candidate for PR. However, this candidate detection has serious problems as follows: 4) There are many actual SEs,...

Ngày tải lên: 20/02/2014, 04:20

... comparative, JJS: adjective and superla- tive, RBR: adverb and comparative, and RBS: adverb and superlative 153 validation show the overall precision of 88.68% and the overall recall of 88.40%. ... perfor- mance of MEM (McCallum and Nigam (1998)). 3 Extracting Comparative-sentence Candidates In this section, we define comparative keywords and extract comparative-sentence...

Ngày tải lên: 20/02/2014, 09:20